ZJIT: Fix unused variable warnings

Author: XrXr

zjit/src/codegen.rs

@@ -727,7 +727,7 @@ fn gen_insn(cb: &mut CodeBlock, jit: &mut JITState, asm: &mut Assembler, functio
         // We can't lower to `gen_send_without_block` because the
         // source opcode isn't necessarily `opt_send_without_block`
         // and so the interpreter stack layout may be incompatible.
-        Insn::CCallWithFrame { cd, state, args, block, .. } if args.len() + 1 > C_ARG_OPNDS.len() => return Err(*state),
+        Insn::CCallWithFrame { state, args, .. } if args.len() + 1 > C_ARG_OPNDS.len() => return Err(*state),
         Insn::CCallWithFrame { cfunc, recv, name, args, cme, state, block, .. } =>
             gen_ccall_with_frame(jit, asm, *cfunc, *name, opnd!(recv), opnds!(args), *cme, *block, &function.frame_state(*state)),
         Insn::CCallVariadic { cfunc, recv, name, args, cme, state, block, return_type: _, elidable: _ } => {